import { RefObject } from 'react';
/**
 * Use a state set by an event:
 *  - default state is false
 *  - when event fired, state is true
 *
 * @param {Object} ref A React ref for the element
 * @param {String} eventName The name of the event setting the state to true
 * @return {Array} The boolean state and a function to switch state to false
 */
export declare const useEventState: (ref: RefObject<HTMLElement>, eventName: string) => readonly [boolean, () => void];